Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Measuring method of resistance of wire to be measured in Young's modulus measuring instrument

A technology of wire resistance and measurement method, which is applied in the direction of measuring electrical variables, measuring resistance/reactance/impedance, measuring devices, etc., can solve the problems of not being able to obtain the resistance of the metal wire to be measured, accurate results, etc., and achieve simple and effective insulation methods. Easy to measure, slip-resistant effect

Active Publication Date: 2015-10-28
JILIN UNIV
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the accurate results of the resistance of the metal wire to be measured in the Young's modulus measuring instrument cannot be obtained in the prior art

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Measuring method of resistance of wire to be measured in Young's modulus measuring instrument
  • Measuring method of resistance of wire to be measured in Young's modulus measuring instrument
  • Measuring method of resistance of wire to be measured in Young's modulus measuring instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The inventive concept of the present invention is: to measure the length of the metal wire by using the electrical measurement method, so that the experimental measurement can be completed independently by a single person. Specifically, by arranging an insulating device in the center hole of the platform, the metal wire is insulated from the platform, or by setting an insulating device between the upper chuck and the beam, so that the metal wire is insulated from the beam; then use Wires are extended from the upper and lower ends of the metal wire to measure the resistance of the entire metal wire. Then, according to the measured resistance value and length of any segment of the metal wire, the length of the entire metal wire is calculated.

[0027] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1-4 As shown, the Young's modulus measuring instrument applicable to the measuring method of the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a method for measuring resistance of a metal wire to be measured in a Young modulus measuring instrument. The method comprises the following steps of: i, arranging an insulating device between a lower clamping head and a central hole in a platform or between an upper clamping head and a beam, so that the metal wire is insulated from the platform or the beam; and ii, measuring a resistance value of the metal wire between the upper and lower ends by using an electric measurement method. According to the method for measuring resistance of the metal wire to be measured in the Young modulus measuring instrument, the length of the metal wire can be measured by utilizing the electric measurement method.

Description

technical field [0001] The invention relates to an experimental measurement method for Young's modulus, in particular to a method for measuring the resistance of a metal wire to be measured in a Young's modulus measuring instrument. Background technique [0002] Assume that the length of an object is L and the cross-sectional area is S. After a force F is applied along the length direction, the object will be stretched (or shortened) by △L. F / S is the force per unit area, called stress; △L / L is the relative deformation, called strain. In the range of elastic deformation, according to Hooke's law, the stress inside the object is proportional to the strain, and the ratio is called Young's modulus. Experiments have proved that Young's modulus E has nothing to do with the length L of the sample, the cross-sectional area S and the magnitude of the applied external force F, but only depends on the material of the sample. Considering the microstructure, Young's modulus is a physi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01R27/02G01N3/14
Inventor 朱坤博刘铁成韩力张玮刘春杰宋乾
Owner JILIN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com